Решите уравнение , используя основное свойство дроби ; 1 ) 5/7=9х+2/28 ; 2)9/13= 5х+2/39 ; 3 ) 8/19=7х-4/57; 4)33/45=2х-1/15 ; 5 ) 26/3=4х+1/19 ; 6 ) 45/151=2х-3/17. помаги пожайлуста
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